Re: [dm-devel] BIO_RW_FAILFAST

From: Lars Marowsky-Bree <lmb suse de>

To: device-mapper development <dm-devel redhat com>

Subject: Re: [dm-devel] BIO_RW_FAILFAST

Date: Thu, 2 Jun 2005 18:41:23 +0200

On 2005-05-17T15:59:15, Andy <genanr emsphone com> wrote:
> I have been having problems with systems getting I/O errors and dropping
> mounted filesystems, when it is processing a RCSN caused by some other event
> on the fabric within its' zone. If I unset BIO_RW_FAILFAST in dm-mpath.c I
> no longer get the I/O errors and of course no filesystem drops. Are there
> any plans to change this, or make it a settable option? Are there any
> negatives to not setting it?
What is "RCSN"? What hardware? And why does it show up on all paths at
once?
Sincerely,
Lars Marowsky-Brée <lmb suse de>
--
High Availability & Clustering
SUSE Labs, Research and Development
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